MCQ
Which is common amongst Fly, Mosquito and Cockroach
- AOpen exretory system
- BTwo pairs of wings
- ✓All belong to class insecta
- D$13-$ chambered heart
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$(i)$ It is a membrane bound space found in the cytoplasm.
$(ii)$ It is bound by a single membrane called tonoplast.
$(iii)$ It contains water, sap, excretory products and other materials not useful to the cell.
$(iv)$ It has higher concentration of sap than the cytoplasm.